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Digital Pressure Gauge for Differential Pressures for High Accuracy
The DPGM409 digital differential pressure gauge from OMEGA incorporates a rugged 316SS enclosure designed for marine and washdown applications with a precision 0.08% accuracy pressure transducer and 316L SS wetted parts and body. The result is a digital pressure gauge that is extremely durable.
This differential pressure digital gauge functions perfectly with hydraulic oil, air or water as well as several other fluids.
Hi and lo alarms standard
Easy to read 25 mm backlit LCD display
5-Point NIST traceable calibration
Wet/wet differential pressure measurement
High 0.08% accuracy
MIN/MAX/AVG reading
Bar graph on display
IP65 (NEMA-4X) enclosure
Battery powered with extended battery life
G¼ pressure connections standard - others available
User selectable analogue output 0 to 5 Vdc, 0 to 10 Vdc or 4 to 20 mA
Wireless transmitter option sends reading to remote location and comprises of charting and data logging software
Specifications
The key specifications of the DPGM409 digital differential pressure gauge are as follows:
Accuracy (Combined Linearity, Hysteresis and Repeatability): ±0.08% BSL
Storage Temperature: -40 to 82 °C
Operating Temperature: -18 to 66 °C
Thermal Effects (Over Operating Range):
Minimum Resistance Between Transducer Body and Any Wire: 100MO @ 50 Vdc
Pressure Cycles: 1 million minimum
Long Term Stability (1-yr.): ±0.1% FS typical
Analogue Output: User selectable 0 to 5 Vdc, 0 to 10 Vdc or 4 to 20 mA (external 24 Vdc power supply required).Set jumper to Select Current or Voltage: Software selection of 0 to 5 Vdc, 0 to 10 Vdc, or 4 to 20 mABidirectional ranges have a unidirectional analogue output equal to their full span; i.e. -15 to +15 psi = 0 to 10 Vdc.Analogue output is independently scalable
Analogue Output Cable: 2.7 m with ferrite core (included)
Analogue Output Accuracy: 0.08% typical (0.15% maximum in RF field @ 10V/m)
Line/Static Pressure: 500 psi maximum applied to both sides simultaneously
Proof Pressure (differential):
Hi-Side Containment Pressure (Differential):
Display: 4-digit LCD with user Selectable backlighting, (9999 count) 25 mm character height
Sample/Display Range: User selectable from 0.38 to 30 seconds (preset to 1/second)
Computer Interface: USB connection for set-up, cable included
Pressure Connection: G ¼ male
Power: One 3.6V lithium 8.4 Ah capacity (C cell) included (two included with wireless option) (replacement battery model no. BATT-C-3V)
Battery Life (Typical): Up to 4-years
Enclosure Material: 316 Stainless Steel and ABS centre gasket
Enclosure Finish: Electropolished
Enclosure Environmental Rating: Weatherproof, IP65
Sensor Wetted Parts: 316L stainless steel
Dimensions:
Weight: 1 kg typical depending upon configuration
Front Panel Functions:
Software Settings (via USB)
Update Rate: 4 options, 10, 5, 2, 1 times per second
Units: psi, inHg, inH2O, bar, mbar
Lock: Allows the lock-out of front panel functions
Alarms: User selectable “High” and “Low” alarm limits (open collector)
Backlight: On/Off, 10 seconds, 30 seconds, 1 minute, 5 minute
Wireless Transmitter (Optional): Channel number, transmission rate, alarms, sensor offset, chart recording, data logging
Calibrate: Zero and Span
Overrange Indication: “_ _ _ _”
Wireless Option Specifications
Transmit Sample Rate: User programmable from 1 sample/2 min to 1 sample/2 sec
Radio Frequency (RF) Transceiver:
Included Software: Requires Windows® 7 (32 bit); XP, Vista
Data Transmission to Host: Pressure reading, ambient temperature reading, RF transmit strength and battery level
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